\n
\u4e00\u3001\u6d4b\u8bd5\u73af\u5883\u8bf4\u660e<\/h2>\n
\u7535\u8111\u73af\u5883<\/p>\n
Windows 11<\/p>\n
\u7f16\u5199\u8bed\u8a00<\/p>\n
JAVA<\/p>\n
\u5f00\u53d1\u8f6f\u4ef6<\/p>\n
Android Studio \u00a0(2020)<\/p>\n
\u5f00\u53d1\u8f6f\u4ef6\u53ea\u8981\u5927\u4e8e\u7b49\u4e8e\u6d4b\u8bd5\u7248\u672c\u5373\u53ef(\u8fd1\u51e0\u5e74\u5b98\u7f51\u76f4\u63a5\u4e0b\u8f7d\u4e5f\u53ef\u4ee5)，\u82e5\u662f\u7248\u672c\u4f4e\u4e8e\u6d4b\u8bd5\u7248\u672c\u8bf7\u81ea\u884c\u6d4b\u8bd5\u3002\u9879\u76ee\u9700\u8981\u6839\u636e\u4f60\u7684\u8f6f\u4ef6\u81ea\u884c\u9002\u914d<\/p>\n
\u4e8c\u3001\u9879\u76ee\u7b80\u4ecb<\/h2>\n
\u8be5\u9879\u76ee\u7b80\u4ecb\u6765\u81ea\u7f51\u7edc，\u5177\u4f53\u5185\u5bb9\u9700\u8981\u81ea\u884c\u6d4b\u8bd5<\/p>\n
\u672c\u7cfb\u7edf\u57fa\u4e8e Android \u5e73\u53f0\u5f00\u53d1，\u91c7\u7528 Java\u8bed\u8a00\u7f16\u5199\u3002\u91c7\u7528 MVC\u6a21\u5f0f\u8fdb\u884c\u8bbe\u8ba1，\u5c06\u4e1a\u52a1\u903b\u8f91\u3001\u6570\u636e\u8bbf\u95ee\u548c\u754c\u9762\u663e\u793a\u5206\u79bb，\u63d0\u9ad8\u4ee3\u7801\u7684\u53ef\u7ef4\u62a4\u6027\u548c\u53ef\u91cd\u7528\u6027\u3002<\/p>\n
\u6570\u636e\u5e93\u91c7\u7528 SQLite，\u652f\u6301\u8f7b\u91cc\u7ea7\u6570\u636e\u5b58\u50a8\u548c\u5feb\u901f\u67e5\u8be2\u3002\u540c\u65f6，\u4f7f\u7528 HTTP \u534f\u8bae\u8fdb\u884c\u7f51\u7edc\u901a\u4fe1,\u5b9e\u73b0\u6570\u636e\u7684\u8fdc\u7a0b\u8bbf\u95ee\u548c\u540c\u6b65\u3002<\/p>\n
\u5728\u5f00\u53d1\u8fc7\u7a0b\u4e2d，\u6211\u4eec\u91c7\u7528\u4e86Android studio \u4f5c\u4e3a\u5f00\u53d1\u5de5\u5177，\u4f7f\u7528\u4e86 Grade\u6784\u5efa\u5de5\u5177\u8fdb\u884c\u9879\u76ee\u6784\u5efa\u548c\u4f9d\u8d56\u7ba1\u7406\u3002\u672c\u7cfb\u7edf\u662f\u4e00\u4e2a\u7efc\u5408\u6027\u7684Android \u7ba1\u7406\u7cfb\u7edf，\u4e3b\u8981\u5305\u62ec\u4ee5\u4e0b\u51e0\u4e2a\u529f\u80fd\u6a21\u5757:<\/p>\n
\u8d26\u53f7\u7ba1\u7406:\u7cfb\u7edf\u652f\u6301\u5206\u6743\u7ba1\u7406，\u4e0d\u540c\u8d26\u53f7\u62e5\u6709\u4e0d\u540c\u7684\u6743\u9650\u3002\u7ba1\u7406\u5458\u62e5\u6709\u6700\u9ad8\u6743\u9650，\u53ef\u4ee5\u8fdb\u884c\u6743\u9650\u5206\u914d\u7b49\u64cd\u4f5c\u3002\u8d26\u53f7\u5bc6\u7801\u91c7\u7528\u52a0\u5bc6\u7b97\u6cd5\u8fdb\u884c\u5b89\u5168\u5b58\u50a8，\u786e\u4fdd\u7528\u6237\u6570\u636e\u7684\u5b89\u5168\u6027\u3002\u540c\u65f6，\u7cfb\u7edf\u652f\u6301\u591a\u8bed\u8a00\u5207\u6362，\u6ee1\u8db3\u4e0d\u540c\u56fd\u5bb6\u548c\u5730\u533a\u7528\u6237\u7684\u9700\u6c42\u3002<\/p>\n
\u5546\u5bb6\u7ba1\u7406:\u5546\u5bb6\u53ef\u4ee5\u8fdb\u884c\u5e97\u94fa\u5546\u54c1\u7684\u589e\u5220\u6539\u67e5\u64cd\u4f5c，\u540c\u65f6\u53ef\u4ee5\u53d1\u5e03\u65b0\u7684\u5546\u54c1\u4fe1\u606f\u3002\u5546\u54c1\u4fe1\u606f\u5305\u62ec\u540d\u79f0\u3001\u63cf\u8ff0\u3001\u4ef7\u683c\u3001\u56fe\u7247\u7b49，\u5546\u5bb6\u53ef\u4ee5\u6839\u636e\u9700\u6c42\u6dfb\u52a0\u6216\u4fee\u6539\u5546\u54c1\u4fe1\u606f\u3002\u6b64\u5916，\u5546\u5bb6\u8fd8\u53ef\u4ee5\u4fee\u6539\u5bc6\u7801\u548c\u4e2a\u4eba\u4fe1\u606f，\u63d0\u9ad8\u8d26\u53f7\u7684\u5b89\u5168\u6027，\u7528\u6237\u7ba1\u7406:\u7528\u6237\u53ef\u4ee5\u901a\u8fc7\u7cfb\u7edf\u4e3b\u518c\u5546\u5bb6\u6216\u7528\u6237\u8d26\u53f7，\u5e76\u8bbe\u7f6e\u5bc6\u7801\u3002\u7528\u6237\u53ef\u4ee5\u67e5\u770b\u672a\u5904\u7406\u8ba2\u5355\u3001\u5df2\u5b8c\u6210\u8ba2\u5355\u7b49，\u5e76\u6839\u636e\u8ba2\u5355\u72b6\u6001\u548c\u65f6\u95f4\u7b5b\u9009\u548c\u67e5\u770b\u8ba2\u5355\u4fe1\u606f\u3002\u7528\u6237\u8fd8\u53ef\u4ee5\u67e5\u770b\u5546\u5bb6\u8bc4\u8bba，\u4fee\u6539\u4e2a\u4eba\u4fe1\u606f\u548c\u5bc6\u7801，\u4ee5\u53ca\u589e\u6539\u67e5\u6536\u8d27\u5730\u5740\u7b49\u3002<\/p>\n
\u8ba2\u5355\u7ba1\u7406:\u672c\u7cfb\u7edf\u652f\u6301\u4e70\u5bb6\u548c\u5356\u5bb6\u8fdb\u884c\u8ba2\u5355\u64cd\u4f5c，\u5305\u62ec\u67e5\u770b\u672a\u5904\u7406\u8ba2\u5355\u3001\u5df2\u5b8c\u6210\u8ba2\u5355\u3001\u53d6\u6d88\u8ba2\u5355\u548c\u5b8c\u6210\u8ba2\u5355\u7b49\u3002\u7528\u6237\u53ef\u4ee5\u6839\u636e\u8ba2\u5355\u72b6\u6001\u548c\u65f6\u95f4\u7b5b\u9009\u548c\u67e5\u770b\u8ba2\u5355\u4fe1\u606f，\u540c\u65f6\u53ef\u4ee5\u67e5\u770b\u8ba2\u5355\u8be6\u60c5\u548c\u64cd\u4f5c\u8ba2\u5355\u72b6\u6001\u3002\u6b64\u5916，\u7cfb\u7edf\u8fd8\u652f\u6301\u8ba2\u5355\u5bfc\u51fa\u548c\u6253\u5370\u529f\u80fd，\u65b9\u4fbf\u7528\u6237\u7ba1\u7406\u548c\u8ddf\u8e2a\u8ba2\u5355\u3002<\/p>\n
\u8bc4\u8bba\u7ba1\u7406:\u7528\u6237\u53ef\u4ee5\u5bf9\u8d2d\u4e70\u7684\u5546\u54c1\u8fdb\u884c\u8bc4\u4ef7，\u4e3a\u5176\u4ed6\u7528\u6237\u63d0\u4f9b\u53c2\u8003\u3002\u8bc4\u8bba\u5185\u5bb9\u5305\u62ec\u8bc4\u5206\u3001\u6587\u5b57\u8bc4\u4ef7\u548c\u56fe\u7247\u8bc4\u4ef7\u7b49，\u7528\u6237\u53ef\u4ee5\u6839\u636e\u9700\u8981\u8fdb\u884c\u4fee\u6539\u6216\u5220\u9664\u8bc4\u8bba\u3002\u540c\u65f6，\u7cfb\u7edf\u8fd8\u652f\u6301\u533f\u540d\u8bc4\u4ef7\u529f\u80fd，\u4fdd\u62a4\u7528\u6237\u7684\u9690\u79c1\u548c\u6743\u76ca\u3002<\/p>\n
\u6536\u8d27\u5730\u5740\u7ba1\u7406:\u7528\u6237\u53ef\u4ee5\u6dfb\u52a0\u3001\u5220\u9664\u6216\u4fee\u6539\u6536\u8d27\u5730\u5740，\u65b9\u4fbf\u7528\u6237\u5728\u8d2d\u4e70\u5546\u54c1\u65f6\u9009\u62e9\u4e0d\u540c\u7684\u6536\u8d27\u5730\u5740\u3002\u7cfb\u7edf\u652f\u6301\u5b58\u50a8\u591a\u4e2a\u6536\u8d27\u5730\u5740，\u63d0\u9ad8\u7528\u6237\u7684\u8d2d\u7269\u4f53\u9a8c\u3002<\/p>\n
\u4e09\u3001\u9879\u76ee\u6f14\u793a<\/h2>\n
\u7f51\u7edc\u8d44\u6e90\u6a21\u677f–\u57fa\u4e8eAndroid studio \u5916\u5356\u8ba2\u9910App<\/p>\n
\u56db\u3001\u90e8\u8bbe\u8ba1\u8be6\u60c5（\u90e8\u5206)<\/h2>\n\u5546\u5bb6\u9996\u9875<\/h3>\n<\/p>\n
![\"\"](\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/08\/20250815184945-689f8149a52c0.png\")
<\/p>\n
1. \u9875\u9762\u7ed3\u6784\u5206\u6790<\/p>\n
\u8be5\u9875\u9762\u91c7\u7528\u7ecf\u5178\u7684\u9876\u90e8\u641c\u7d22\u680f+\u4e2d\u90e8\u5185\u5bb9\u533a+\u5e95\u90e8\u5bfc\u822a\u680f\u7684\u4e09\u6bb5\u5f0f\u5e03\u5c40\u7ed3\u6784\u3002<\/p>\n
\u9876\u90e8\u662f\u84dd\u8272\u80cc\u666f\u7684\u641c\u7d22\u6846，\u4e2d\u90e8\u4e3a\u5546\u54c1\u5217\u8868\u5c55\u793a\u533a（\u4f7f\u7528ListView\u5b9e\u73b0），\u5e95\u90e8\u662f\u5305\u542b"\u9996\u9875"\u3001"\u6dfb\u52a0\u5546\u54c1"\u548c"\u6211\u7684"\u4e09\u4e2a\u9009\u9879\u7684RadioButton\u5bfc\u822a\u680f\u3002<\/p>\n
\u6574\u4f53\u91c7\u7528RelativeLayout\u4f5c\u4e3a\u6839\u5e03\u5c40，\u901a\u8fc7\u76f8\u5bf9\u5b9a\u4f4d\u63a7\u5236\u5404\u7ec4\u4ef6\u7684\u4f4d\u7f6e\u5173\u7cfb，\u5982\u641c\u7d22\u680f\u4e0e\u5185\u5bb9\u533a\u7684\u4e0a\u4e0b\u8854\u63a5，\u4ee5\u53ca\u5bfc\u822a\u680f\u56fa\u5b9a\u5728\u5c4f\u5e55\u5e95\u90e8\u3002<\/p>\n
\u8fd9\u79cd\u7ed3\u6784\u6e05\u6670\u5730\u533a\u5206\u4e86\u529f\u80fd\u6a21\u5757，\u7b26\u5408\u5e38\u89c1\u7684\u79fb\u52a8\u5e94\u7528\u8bbe\u8ba1\u89c4\u8303\u3002<\/p>\n
2. \u6838\u5fc3\u6280\u672f\u5e94\u7528<\/p>\n
\u9875\u9762\u8fd0\u7528\u4e86\u591a\u9879Android\u6838\u5fc3\u6280\u672f：\u901a\u8fc7SP\u5b9e\u73b0\u672c\u5730\u6570\u636e\u5b58\u50a8，\u7528\u4e8e\u83b7\u53d6\u5f53\u524d\u767b\u5f55\u8d26\u53f7；\u4f7f\u7528\u81ea\u5b9a\u4e49BaseAdapter（FoodAdapter）\u5b9e\u73b0ListView\u7684\u6570\u636e\u7ed1\u5b9a；\u91c7\u7528TextWatcher\u76d1\u542c\u5668\u5b9e\u73b0\u5b9e\u65f6\u641c\u7d22\u529f\u80fd；<\/p>\n
\u901a\u8fc7\u4e0a\u4e0b\u6587\u83dc\u5355（ContextMenu）\u5b9e\u73b0\u5546\u54c1\u6761\u76ee\u7684\u957f\u6309\u64cd\u4f5c；\u5229\u7528Intent\u5b9e\u73b0\u9875\u9762\u8df3\u8f6c\u548c\u6570\u636e\u4f20\u9012\u3002<\/p>\n
\u7279\u522b\u662f\u901a\u8fc7RadioButton\u6a21\u62df\u5e95\u90e8\u5bfc\u822a\u680f\u6548\u679c，\u5b9e\u73b0\u56fe\u6587\u6df7\u6392，\u5e76\u901a\u8fc7\u81ea\u5b9a\u4e49ButtonColorListener\u63a7\u5236\u6309\u94ae\u72b6\u6001\u5207\u6362，\u5c55\u73b0\u4e86\u826f\u597d\u7684\u4ea4\u4e92\u8bbe\u8ba1\u3002<\/p>\n
3. \u529f\u80fd\u8be6\u7ec6\u8bf4\u660e<\/p>\n
\u8be5\u9875\u9762\u662f\u5546\u5bb6\u7aef\u4e3b\u754c\u9762，\u4e3b\u8981\u5b9e\u73b0\u4e09\u5927\u529f\u80fd：\u9876\u90e8\u641c\u7d22\u6846\u53ef\u5b9e\u65f6\u7b5b\u9009\u5546\u54c1；\u4e2d\u90e8\u5217\u8868\u5c55\u793a\u5546\u5bb6\u6240\u6709\u5546\u54c1，\u652f\u6301\u957f\u6309\u5f39\u51fa\u83dc\u5355\u8fdb\u884c\u5220\u9664\u6216\u4fee\u6539\u64cd\u4f5c；\u5e95\u90e8\u5bfc\u822a\u53ef\u5207\u6362\u81f3\u5546\u54c1\u6dfb\u52a0\u9875\u9762\u6216\u4e2a\u4eba\u4e2d\u5fc3\u3002<\/p>\n
\u641c\u7d22\u529f\u80fd\u901a\u8fc7\u76d1\u542c\u8f93\u5165\u5185\u5bb9\u52a8\u6001\u67e5\u8be2\u6570\u636e\u5e93\u5e76\u5237\u65b0\u5217\u8868，\u5546\u54c1\u7ba1\u7406\u529f\u80fd\u901a\u8fc7\u6570\u636e\u5e93\u64cd\u4f5c\u5b9e\u73b0\u6301\u4e45\u5316\u5b58\u50a8\u3002\u6574\u4f53\u91c7\u7528\u4e8b\u4ef6\u9a71\u52a8\u67b6\u6784，\u5404\u9879\u64cd\u4f5c\u90fd\u914d\u6709\u76f8\u5e94\u7684\u7528\u6237\u53cd\u9988（\u5982\u5220\u9664\u6210\u529f\u7684Toast\u63d0\u793a），\u4f53\u73b0\u4e86\u5b8c\u6574\u7684\u4e1a\u52a1\u903b\u8f91\u95ed\u73af\u548c\u7528\u6237\u4f53\u9a8c\u8bbe\u8ba1\u3002<\/p>\n
package com.example.orderfood.activity;<\/p>\n
import android.annotation.SuppressLint;
\nimport android.content.Context;
\nimport android.content.Intent;
\nimport android.content.SharedPreferences;
\nimport android.os.Bundle;
\nimport android.text.Editable;
\nimport android.text.TextWatcher;
\nimport android.view.ContextMenu;
\nimport android.view.MenuItem;
\nimport android.view.View;
\nimport android.widget.AdapterView;
\nimport android.widget.Button;
\nimport android.widget.EditText;
\nimport android.widget.ListView;
\nimport android.widget.Toast;<\/p>\n
import androidx.annotation.NonNull;
\nimport androidx.appcompat.app.AppCompatActivity;<\/p>\n
import com.example.orderfood.R;
\nimport com.example.orderfood.adapter.FoodAdapter;
\nimport com.example.orderfood.bean.FoodBean;
\nimport com.example.orderfood.dao.FoodDao;
\nimport com.example.orderfood.dao.UserDao;
\nimport com.example.orderfood.listener.ButtonColorListener;<\/p>\n
import java.util.ArrayList;<\/p>\n
public class BusinessActivity extends AppCompatActivity {<\/p>\n
ArrayList<FoodBean> originalItems;
\n ListView foodList;<\/p>\n
FoodAdapter adapter;<\/p>\n
@Override
\n protected void onCreate(Bundle savedInstanceState) {
\n super.onCreate(savedInstanceState);
\n setContentView(R.layout.activity_business);<\/p>\n
\/\/\u5b9e\u73b0\u52a0\u8f7d\u98df\u7269\u5217\u8868
\n foodList = this.findViewById(R.id.business_list_view);\/\/\u521b\u5efa\u4e00\u4e2a\u89c6\u56fe<\/p>\n
\/\/\u83b7\u53d6\u5f53\u524d\u8d26\u53f7,\u8fdb\u884c\u67e5\u8be2
\n SharedPreferences sharedPreferences = getSharedPreferences("data", Context.MODE_PRIVATE);
\n String account = sharedPreferences.getString("account", "");<\/p>\n
originalItems = UserDao.getAllFood(account);\/\/\u67e5\u627e\u5230\u6240\u6709\u6570\u636e<\/p>\n
if (originalItems == null || originalItems.size() == 0) {
\n foodList.setAdapter(null);
\n } else {
\n adapter = new FoodAdapter(this, originalItems);
\n foodList.setAdapter(adapter);
\n }<\/p>\n
\/\/\u5b9e\u73b0\u70b9\u51fb\u6309\u94ae\u7684\u65f6\u5019\u8bbe\u7f6e\u4e00\u4e0b\u9009\u4e2d\u7684\u989c\u8272
\n Button home = findViewById(R.id.business_home);
\n Button add = findViewById(R.id.business_add);
\n Button my = findViewById(R.id.business_my);<\/p>\n
home.setOnClickListener(new ButtonColorListener(home, add, my, 1));
\n add.setOnClickListener(new ButtonColorListener(home, add, my, 1));
\n my.setOnClickListener(new ButtonColorListener(home, add, my, 1));
\n home.callOnClick();\/\/\u6a21\u62df\u70b9\u51fbhome<\/p>\n
\/\/\u70b9\u51fb\u52a0\u53f7\u8fdb\u884c\u8df3\u8f6c\u754c\u9762
\n add.setOnClickListener(new View.OnClickListener() {
\n @Override
\n public void onClick(View view) {
\n Intent intent = new Intent(BusinessActivity.this, AddGoodActivity.class);
\n startActivity(intent);<\/p>\n
}
\n });<\/p>\n
my.setOnClickListener(new View.OnClickListener() {
\n @Override
\n public void onClick(View view) {<\/p>\n
Intent intent = new Intent(BusinessActivity.this, BusinessMyActivity.class);
\n overridePendingTransition(0, 0);
\n startActivity(intent);<\/p>\n
}
\n });<\/p>\n
EditText search = findViewById(R.id.business_search);\/\/\u8fd9\u4e2a\u662f\u641c\u7d22\u7684\u5185\u5bb9
\n search.addTextChangedListener(new TextWatcher() {
\n @Override
\n public void beforeTextChanged(CharSequence charSequence, int i, int i1, int i2) {<\/p>\n
}<\/p>\n
@Override
\n public void onTextChanged(CharSequence charSequence, int i, int i1, int i2) {<\/p>\n
}<\/p>\n
@Override
\n public void afterTextChanged(Editable editable) {
\n \/\/\u6267\u884c\u641c\u7d22
\n String name = search.getText().toString();<\/p>\n
originalItems = UserDao.getAllFoodByName(account, name);\/\/\u67e5\u627e\u5230\u6240\u6709\u6570\u636e<\/p>\n
if (originalItems == null || originalItems.size() == 0) {
\n foodList.setAdapter(null);
\n } else {
\n adapter = new FoodAdapter(BusinessActivity.this, originalItems);
\n foodList.setAdapter(adapter);
\n }
\n }
\n });<\/p>\n
\/\/\u5b9e\u73b0\u6ce8\u518c\u4e0a\u4e0b\u6587
\n registerForContextMenu(foodList);
\n \/\/\u5b9e\u73b0\u4e0a\u4e0b\u6587\u83dc\u5355，\u5b9e\u73b0\u5220\u9664\u7684\u529f\u80fd
\n foodList.setOnLongClickListener(new View.OnLongClickListener() {
\n @Override
\n public boolean onLongClick(View view) {
\n openContextMenu(view);
\n return true;
\n }
\n });<\/p>\n
}<\/p>\n
\/\/ onCreateContextMenu<\/p>\n
@Override
\n public void onCreateContextMenu(ContextMenu menu, View v, ContextMenu.ContextMenuInfo menuInfo) {<\/p>\n
super.onCreateContextMenu(menu, v, menuInfo);
\n \/\/\u8bbe\u7f6e\u8981\u5f39\u51fa\u7684\u83dc\u5355\u5185\u5bb9<\/p>\n
\/\/ \u8bbe\u7f6e\u5f39\u51fa\u83dc\u5355\u7684\u6807\u9898\u548c\u9009\u9879
\n getMenuInflater().inflate(R.menu.business_home_menu, menu);
\n }<\/p>\n
\/\/\u8bbe\u7f6e\u70b9\u51fb\u7684\u4e8b\u4ef6\u5185\u5bb9<\/p>\n
@SuppressLint("NonConstantResourceId")
\n @Override
\n public boolean onContextItemSelected(@NonNull MenuItem item) {<\/p>\n
\/\/\u83b7\u53d6\u5230\u83dc\u5355\u7684\u4e0a\u4e0b\u6587\u5185\u5bb9
\n AdapterView.AdapterContextMenuInfo info = (AdapterView.AdapterContextMenuInfo) item.getMenuInfo();
\n \/\/\u83b7\u53d6\u70b9\u51fb\u5230\u5185\u5bb9\u662f\u4ec0\u4e48
\n int position = info.position;<\/p>\n
if (item.getItemId() == R.id.business_home_list_menu_delete) {
\n deleteItem(position);
\n return true;
\n } else if (item.getItemId() == R.id.business_home_list_menu_update) {
\n updateItem(position);
\n return true;
\n } else {
\n return super.onContextItemSelected(item);
\n }<\/p>\n
}<\/p>\n
\/**
\n * \u5220\u9664\u529f\u80fd
\n *
\n * @param position
\n *\/
\n private void deleteItem(int position) {<\/p>\n
\/\/\u6267\u884c\u5220\u9664\u7684\u7b2c\u4e00\u90e8，\u8981\u4ece\u754c\u9762\u4e0a\u9762\u5220\u6389\u5185\u5bb9，\u540c\u65f6\u8fd8\u8981\u4e1b\u6570\u636e\u5e93\u5185\u5bb9\u7684\u65b9\u9762\u5220\u6389\u5185\u5bb9
\n \/\/ \u4ece\u6570\u636e\u6e90\u4e2d\u5220\u9664\u9879
\n \/\/\u5b9e\u73b0\u5728\u6570\u636e\u5e93\u5c42\u9762\u4e0a\u8fdb\u884c\u5220\u9664\u529f\u80fd
\n FoodBean temp = adapter.getItem(position);
\n int a = FoodDao.delFood(temp.getS_food_id());
\n if (a == 1) {
\n Toast.makeText(this, "\u5220\u9664\u6210\u529f", Toast.LENGTH_SHORT).show();
\n adapter.remove(adapter.getItem(position));
\n \/\/ \u901a\u77e5\u9002\u914d\u5668\u6570\u636e\u5df2\u66f4\u6539
\n adapter.notifyDataSetChanged();
\n } else {
\n Toast.makeText(this, "\u5220\u9664\u5931\u8d25", Toast.LENGTH_SHORT).show();
\n }<\/p>\n
}<\/p>\n
\/**
\n * \u8fd9\u4e2a\u662f\u66f4\u6539\u9879\u76ee
\n *
\n * @param position
\n *\/<\/p>\n
private void updateItem(int position) {<\/p>\n
\/\/\u6267\u884c\u5220\u9664\u7684\u7b2c\u4e00\u90e8，\u8981\u4ece\u754c\u9762\u4e0a\u9762\u5220\u6389\u5185\u5bb9，\u540c\u65f6\u8fd8\u8981\u4e1b\u6570\u636e\u5e93\u5185\u5bb9\u7684\u65b9\u9762\u5220\u6389\u5185\u5bb9
\n \/\/ \u4ece\u6570\u636e\u6e90\u4e2d\u5220\u9664\u9879
\n \/\/\u5b9e\u73b0\u5728\u6570\u636e\u5e93\u5c42\u9762\u4e0a\u8fdb\u884c\u5220\u9664\u529f\u80fd
\n FoodBean temp = adapter.getItem(position);
\n \/\/\u9700\u8981\u5c06ID\u4f20\u8fc7\u53bb
\n Intent intent = new Intent(BusinessActivity.this, UpdateGoodActivity.class);
\n intent.putExtra("id", temp.getS_food_id());
\n startActivity(intent);<\/p>\n
\/\/\u6253\u5f00\u66f4\u6539\u754c\u9762，\u5e76\u4e14\u7ed8\u5236\u66f4\u6539\u754c\u9762<\/p>\n
\/\/ int a= FoodDao.delFood(temp.getS_food_id());
\n\/\/ if(a==1){
\n\/\/ Toast.makeText(this, "\u5220\u9664\u6210\u529f", Toast.LENGTH_SHORT).show();
\n\/\/ adapter.remove(adapter.getItem(position));
\n\/\/ \/\/ \u901a\u77e5\u9002\u914d\u5668\u6570\u636e\u5df2\u66f4\u6539
\n\/\/ adapter.notifyDataSetChanged();
\n\/\/ }else{
\n\/\/ Toast.makeText(this, "\u5220\u9664\u5931\u8d25", Toast.LENGTH_SHORT).show();
\n\/\/ }<\/p>\n
}<\/p>\n
} <\/p>\n
\u7528\u6237\u9996\u9875<\/h3>\n<\/p>\n
![\"\"](\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/08\/20250815184946-689f814a89364.png\")
<\/p>\n
1. \u9875\u9762\u7ed3\u6784\u5206\u6790<\/p>\n
\u8be5\u9875\u9762\u91c7\u7528\u5355Activity\u591aFragment\u67b6\u6784，\u6574\u4f53\u4e3a\u5782\u76f4\u65b9\u5411\u7684LinearLayout，\u5305\u542b\u4e00\u4e2a\u5360\u636e\u4e3b\u8981\u7a7a\u95f4\u7684Fragment\u5bb9\u5668（FrameLayout）\u548c\u5e95\u90e8\u7684Material Design\u98ce\u683c\u5bfc\u822a\u680f（BottomNavigationView）\u3002<\/p>\n
\u9875\u9762\u901a\u8fc7\u52a8\u6001\u52a0\u8f7d\u4e0d\u540cFragment\u5b9e\u73b0\u529f\u80fd\u5207\u6362，\u7ed3\u6784\u7b80\u6d01\u9ad8\u6548\u3002\u9876\u90e8\u65e0\u5de5\u5177\u680f\u8bbe\u8ba1\u4f7f\u5185\u5bb9\u533a\u57df\u6700\u5927\u5316，\u84dd\u8272\u8c03\u7684\u5e95\u90e8\u5bfc\u822a\u680f\u63d0\u4f9b\u6e05\u6670\u7684\u89c6\u89c9\u5f15\u5bfc，\u7b26\u5408\u73b0\u4ee3\u79fb\u52a8\u5e94\u7528\u8bbe\u8ba1\u8d8b\u52bf\u3002<\/p>\n
Fragment\u5bb9\u5668\u4f7f\u7528\u6743\u91cd\u5e03\u5c40（layout_weight）\u786e\u4fdd\u5728\u4e0d\u540c\u5c4f\u5e55\u5c3a\u5bf8\u4e0b\u90fd\u80fd\u5408\u7406\u5206\u914d\u7a7a\u95f4，\u4f53\u73b0\u54cd\u5e94\u5f0f\u8bbe\u8ba1\u601d\u60f3\u3002<\/p>\n
2. \u6838\u5fc3\u6280\u672f\u5e94\u7528<\/p>\n
\u9875\u9762\u6838\u5fc3\u91c7\u7528AndroidX\u7684FragmentManager\u8fdb\u884c\u52a8\u6001Fragment\u7ba1\u7406，\u901a\u8fc7Transaction\u5b9e\u73b0\u754c\u9762\u5207\u6362\u3002<\/p>\n
\u5e95\u90e8\u5bfc\u822a\u4f7f\u7528Material Components\u5e93\u7684BottomNavigationView，\u914d\u5408\u81ea\u5b9a\u4e49\u989c\u8272\u9009\u62e9\u5668\u5b9e\u73b0\u56fe\u6807\u548c\u6587\u5b57\u7684\u72b6\u6001\u53d8\u5316\u3002<\/p>\n
\u5229\u7528Intent\u53c2\u6570\u4f20\u9012\u5b9e\u73b0\u5dee\u5f02\u5316\u521d\u59cb\u5316（\u5982\u76f4\u63a5\u8df3\u8f6c"\u6211\u7684"\u9875\u9762）\u3002Fragment\u4e8b\u52a1\u4f7f\u7528commitNow()\u786e\u4fdd\u7acb\u5373\u6267\u884c，\u907f\u514d\u5f02\u6b65\u5e26\u6765\u7684\u72b6\u6001\u4e0d\u4e00\u81f4\u95ee\u9898\u3002<\/p>\n
\u6574\u4f53\u67b6\u6784\u4f53\u73b0\u4e86\u5355\u4e00Activity\u539f\u5219\u548c\u6a21\u5757\u5316\u8bbe\u8ba1\u601d\u60f3，\u4fbf\u4e8e\u529f\u80fd\u6269\u5c55\u548c\u7ef4\u62a4\u3002<\/p>\n
3. \u529f\u80fd\u8be6\u7ec6\u8bf4\u660e<\/p>\n
\u8fd9\u662f\u7528\u6237\u7aef\u4e3b\u63a7\u9875\u9762，\u63d0\u4f9b\u4e09\u5927\u529f\u80fd\u6a21\u5757\u5207\u6362：\u9996\u9875\u5c55\u793a\u672a\u5b8c\u6210\u8ba2\u5355\u548c\u4e2a\u4eba\u4e2d\u5fc3\u3002<\/p>\n
\u7279\u6b8a\u573a\u666f\u652f\u6301\u901a\u8fc7Intent\u53c2\u6570\u76f4\u63a5\u5b9a\u4f4d\u5230\u6307\u5b9a\u6a21\u5757（\u5982\u4ece\u767b\u5f55\u8df3\u8f6c\u65f6\u76f4\u8fbe\u4e2a\u4eba\u4e2d\u5fc3）\u3002<\/p>\n
\u5e95\u90e8\u5bfc\u822a\u680f\u91c7\u7528Material Design\u89c4\u8303，\u9009\u4e2d\u72b6\u6001\u6709\u89c6\u89c9\u53cd\u9988，\u64cd\u4f5c\u6d41\u7545\u3002\u9875\u9762\u8fd8\u9884\u7559\u4e86exit()\u65b9\u6cd5\u7528\u4e8e\u5b89\u5168\u9000\u51fa\u5e94\u7528，\u901a\u8fc7finishAffinity()\u786e\u4fdd\u5b8c\u5168\u5173\u95ed\u6240\u6709\u76f8\u5173Activity\u3002<\/p>\n
\u8fd9\u79cd\u8bbe\u8ba1\u65e2\u4fdd\u8bc1\u4e86\u7528\u6237\u4f53\u9a8c\u7684\u4e00\u81f4\u6027，\u53c8\u63d0\u4f9b\u4e86\u7075\u6d3b\u7684\u573a\u666f\u9002\u914d\u80fd\u529b\u3002<\/p>\n
<?xml version="1.0" encoding="utf-8"?>
\n<LinearLayout xmlns:android="http:\/\/schemas.android.com\/apk\/res\/android"
\n xmlns:app="http:\/\/schemas.android.com\/apk\/res-auto"
\n xmlns:tools="http:\/\/schemas.android.com\/tools"
\n android:layout_width="match_parent"
\n android:layout_height="match_parent"
\n tools:context=".user.activity.UserManageActivity"
\n android:orientation="vertical"
\n android:background="#F5F5F5"
\n ><\/p>\n
<!–\u591a\u5c42\u7ea7\u53ef\u4ee5\u4e8b\u9879 A–>
\n <FrameLayout
\n android:id="@+id\/fragment_container"
\n android:layout_width="match_parent"
\n android:layout_height="0dp"
\n android:layout_weight="1"
\n ><\/p>\n
<\/FrameLayout><\/p>\n
<com.google.android.material.bottomnavigation.BottomNavigationView
\n android:id="@+id\/bottom_view"
\n android:layout_width="match_parent"
\n android:layout_height="wrap_content"
\n android:background="#03A9F4"
\n app:menu="@menu\/bottom_navigation_menu"
\n app:itemIconTint="@color\/selectcolor"
\n app:itemTextColor="@color\/selectcolor"
\n \/><\/p>\n
<\/LinearLayout><\/p>\n
\u4e94\u3001\u9879\u76ee\u6e90\u7801\u00a0<\/h2>\n
👇👇👇👇👇\u5feb\u6377\u65b9\u5f0f👇👇👇👇👇<\/span><\/p>\n","protected":false},"excerpt":{"rendered":" \u6587\u7ae0\u6d4f\u89c8\u9605\u8bfb225\u6b21\u3002\u672c\u9879\u76ee\u662f\u4e00\u4e2a\u57fa\u4e8eAndroid\u5e73\u53f0\u7684\u7efc\u5408\u6027\u7ba1\u7406\u7cfb\u7edf\uff0c\u91c7\u7528Java\u8bed\u8a00\u5f00\u53d1\uff0c\u4f7f\u7528Android Studio\u4f5c\u4e3a\u5f00\u53d1\u5de5\u5177\u3002\u7cfb\u7edf\u91c7\u7528MVC\u8bbe\u8ba1\u6a21\u5f0f\uff0c\u6570\u636e\u5e93\u4f7f\u7528SQLite\uff0c\u652f\u6301\u8f7b\u91cf\u7ea7\u6570\u636e\u5b58\u50a8\u548cHTTP\u7f51\u7edc\u901a\u4fe1\u3002\u4e3b\u8981\u529f\u80fd\u6a21\u5757\u5305\u62ec\uff1a\u8d26\u53f7\u7ba1\u7406\uff08\u652f\u6301\u5206\u6743\u4e0e\u591a\u8bed\u8a00\uff09\u3001\u5546\u5bb6\u7ba1\u7406\uff08\u5546\u54c1\u589e\u5220\u6539\u67e5\uff09\u3001\u7528\u6237\u7ba1\u7406\uff08\u8ba2\u5355\u67e5\u770b\u4e0e\u4e2a\u4eba\u4fe1\u606f\u7ef4\u62a4\uff09\u3001\u8ba2\u5355\u7ba1\u7406\uff08\u72b6\u6001\u8ddf\u8e2a\u4e0e\u5bfc\u51fa\uff09\u3001\u8bc4\u8bba\u7ba1\u7406\uff08\u8bc4\u5206\u4e0e\u533f\u540d\u8bc4\u4ef7\uff09\u4ee5\u53ca\u6536\u8d27\u5730\u5740\u7ba1\u7406\u3002\u5546\u5bb6\u7aef\u91c7\u7528\u9876\u90e8\u641c\u7d22+\u5546\u54c1\u5217\u8868+\u5e95\u90e8\u5bfc\u822a\u7684\u4e09\u6bb5\u5f0f\u5e03\u5c40\uff0c\u5b9e\u73b0\u4e86\u5b9e\u65f6\u641c\u7d22\u3001\u5546\u54c1\u7ba1\u7406\u7b49\u529f\u80fd\uff1b\u7528\u6237\u7aef\u91c7\u7528\u5355Activity\u591aFragm<\/p>\n","protected":false},"author":2,"featured_media":58122,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[84,1220,6112,6116,6115,6113,6114],"topic":[],"class_list":["post-58124","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-server","tag-android","tag-android-studio","tag-android-","tag-6116","tag-app","tag-6113","tag-6114"],"yoast_head":"\n